Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 7.50
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -5.24 -0.375 1.96
Prot (kg) -5.24 -0.441 2.31
Fertility Sub Index 3.01
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 1.40 1.117 1.56
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.38
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.82 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 23.68

* Based on an €80/tonne carbon price